It is well established that the cardial contraction is initiated when an action potential depolarizes the sarcolemma.
已经确，收缩始动作电膜去极化。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
Without the support of dystrophin in place, the sarcolemma essentially wilts and becomes unstable.
没有抗肌萎蛋白的支撑，肌变得不稳定。
So that action potential zips along a muscle cell's membrane, the sarcolemma, which has lots of tubes that run deep inside the cell, called T-Tubules.
所以动作电位沿着肌肉细的，肌，它有许多深入细的管子，叫做 T 管。
Thousands of tiny, parallel threads called myofibrils squish together to form muscle fibers, which are your actual muscle cells — cells with mitochondria, multiple nuclei, and a cellular membrane called a sarcolemma.
以千计被称为肌原纤维的微小平行线挤压在一起形成肌肉纤维，这就是你真正的肌肉细——具有线粒体、多个细核和称为肌的细的细。
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详细解释
，
收缩始
动作电
蛋白的支撑，
的
以千计被称为肌原纤维的微小平行线挤压在一起形成肌肉纤维，这就是你真正的肌肉细
